diff --git a/codes/MonteCarlo/README.md b/codes/MonteCarlo/README.md
index aa3b620..6338644 100644
--- a/codes/MonteCarlo/README.md
+++ b/codes/MonteCarlo/README.md
@@ -2,7 +2,7 @@
 
 ## 环境说明
 
-
+见[环境说明](https://github.com/datawhalechina/leedeeprl-notes/blob/master/codes/env_info.md)中的The Racetrack
 
 ## First-Visit MC 介绍